72439210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1$

素因数の和:631

約数の個数: 64

約数和(自身を含む): 149143680

約数和(自身を除く): 76704470

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 41, 82, 85, 95, 170, 190, 205, 323, 410, 547, 646, 697, 779, 1094, 1394, 1558, 1615, 2735, 3230, 3485, 3895, 5470, 6970, 7790, 9299, 10393, 13243, 18598, 20786, 22427, 26486, 44854, 46495, 51965, 66215, 92990, 103930, 112135, 132430, 176681, 224270, 353362, 381259, 426113, 762518, 852226, 883405, 1766810, 1906295, 2130565, 3812590, 4261130, 7243921, 14487842, 36219605, 72439210]

約数ペア:

[(1, 72439210), (2, 36219605), (5, 14487842), (10, 7243921), (17, 4261130), (19, 3812590), (34, 2130565), (38, 1906295), (41, 1766810), (82, 883405), (85, 852226), (95, 762518), (170, 426113), (190, 381259), (205, 353362), (323, 224270), (410, 176681), (547, 132430), (646, 112135), (697, 103930), (779, 92990), (1094, 66215), (1394, 51965), (1558, 46495), (1615, 44854), (2735, 26486), (3230, 22427), (3485, 20786), (3895, 18598), (5470, 13243), (6970, 10393), (7790, 9299)]